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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2021/05/06 15:28:35 UTC
[GitHub] [shardingsphere] TeslaCN opened a new pull request #10260: Refactor ChannelThreadExecutorGroup to ConnectionThreadExecutorGroup
TeslaCN opened a new pull request #10260:
URL: https://github.com/apache/shardingsphere/pull/10260
Fixes #10184.
Changes proposed in this pull request:
- Replace `ChannelId` with `ConnectionId`.
- Refactor `ChannelThreadExecutorGroup` to `ConnectionThreadExecutorGroup`.
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[GitHub] [shardingsphere] TeslaCN commented on pull request #10260: Refactor ChannelThreadExecutorGroup to ConnectionThreadExecutorGroup
Posted by GitBox <gi...@apache.org>.
TeslaCN commented on pull request #10260:
URL: https://github.com/apache/shardingsphere/pull/10260#issuecomment-833641725
I'm going to test this PR with BenchmarkSQL and sysbench before merging.
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[GitHub] [shardingsphere] terrymanu commented on a change in pull request #10260: Refactor ChannelThreadExecutorGroup to ConnectionThreadExecutorGroup
Posted by GitBox <gi...@apache.org>.
terrymanu commented on a change in pull request #10260:
URL: https://github.com/apache/shardingsphere/pull/10260#discussion_r627547543
##########
File path: shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-core/src/main/java/org/apache/shardingsphere/proxy/frontend/executor/ConnectionThreadExecutorGroup.java
##########
@@ -0,0 +1,88 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.shardingsphere.proxy.frontend.executor;
+
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Connection thread executor group.
+ *
+ * <p>
+ * Manage the thread for each backend connection invoking.
+ * This ensure XA transaction framework processed by current thread id.
+ * </p>
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public final class ConnectionThreadExecutorGroup {
+
+ private static final ConnectionThreadExecutorGroup INSTANCE = new ConnectionThreadExecutorGroup();
+
+ private final Map<Integer, ExecutorService> executorServices = new ConcurrentHashMap<>();
+
+ /**
+ * Get connection thread executor group.
+ *
+ * @return channel thread executor group
+ */
+ public static ConnectionThreadExecutorGroup getInstance() {
+ return INSTANCE;
+ }
+
+ /**
+ * Register connection.
+ *
+ * @param connectionId connection id
+ */
+ public void register(final int connectionId) {
+ executorServices.put(connectionId, Executors.newSingleThreadExecutor());
+ }
+
+ /**
+ * Get executor service of connection.
+ *
+ * @param connectionId connection id
+ * @return executor service of current channel
+ */
+ public ExecutorService get(final int connectionId) {
+ return executorServices.get(connectionId);
+ }
+
+ /**
+ * Unregister connection.
+ *
+ * @param connectionId connection id
+ */
+ public void unregisterAndAwaitTermination(final int connectionId) {
+ executorServices.computeIfPresent(connectionId, (unused, executorService) -> {
+ executorService.shutdown();
+ try {
+ executorService.awaitTermination(Long.MAX_VALUE, TimeUnit.MILLISECONDS);
+ } catch (final InterruptedException ignored) {
+ Thread.currentThread().interrupt();
+ }
+ return null;
+ });
Review comment:
We need to remove connectionId is unused.
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[GitHub] [shardingsphere] terrymanu merged pull request #10260: Refactor ChannelThreadExecutorGroup to ConnectionThreadExecutorGroup
Posted by GitBox <gi...@apache.org>.
terrymanu merged pull request #10260:
URL: https://github.com/apache/shardingsphere/pull/10260
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[GitHub] [shardingsphere] TeslaCN commented on a change in pull request #10260: Refactor ChannelThreadExecutorGroup to ConnectionThreadExecutorGroup
Posted by GitBox <gi...@apache.org>.
TeslaCN commented on a change in pull request #10260:
URL: https://github.com/apache/shardingsphere/pull/10260#discussion_r627555871
##########
File path: shardingsphere-proxy/shardingsphere-proxy-frontend/shardingsphere-proxy-frontend-core/src/main/java/org/apache/shardingsphere/proxy/frontend/executor/ConnectionThreadExecutorGroup.java
##########
@@ -0,0 +1,88 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.shardingsphere.proxy.frontend.executor;
+
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Connection thread executor group.
+ *
+ * <p>
+ * Manage the thread for each backend connection invoking.
+ * This ensure XA transaction framework processed by current thread id.
+ * </p>
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public final class ConnectionThreadExecutorGroup {
+
+ private static final ConnectionThreadExecutorGroup INSTANCE = new ConnectionThreadExecutorGroup();
+
+ private final Map<Integer, ExecutorService> executorServices = new ConcurrentHashMap<>();
+
+ /**
+ * Get connection thread executor group.
+ *
+ * @return channel thread executor group
+ */
+ public static ConnectionThreadExecutorGroup getInstance() {
+ return INSTANCE;
+ }
+
+ /**
+ * Register connection.
+ *
+ * @param connectionId connection id
+ */
+ public void register(final int connectionId) {
+ executorServices.put(connectionId, Executors.newSingleThreadExecutor());
+ }
+
+ /**
+ * Get executor service of connection.
+ *
+ * @param connectionId connection id
+ * @return executor service of current channel
+ */
+ public ExecutorService get(final int connectionId) {
+ return executorServices.get(connectionId);
+ }
+
+ /**
+ * Unregister connection.
+ *
+ * @param connectionId connection id
+ */
+ public void unregisterAndAwaitTermination(final int connectionId) {
+ executorServices.computeIfPresent(connectionId, (unused, executorService) -> {
+ executorService.shutdown();
+ try {
+ executorService.awaitTermination(Long.MAX_VALUE, TimeUnit.MILLISECONDS);
+ } catch (final InterruptedException ignored) {
+ Thread.currentThread().interrupt();
+ }
+ return null;
+ });
Review comment:
Indeed.
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[GitHub] [shardingsphere] TeslaCN commented on pull request #10260: Refactor ChannelThreadExecutorGroup to ConnectionThreadExecutorGroup
Posted by GitBox <gi...@apache.org>.
TeslaCN commented on pull request #10260:
URL: https://github.com/apache/shardingsphere/pull/10260#issuecomment-839774222
I've tested it with sysbench and it works fine.
https://paste.ubuntu.com/p/yB49wZ7dzZ/
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[GitHub] [shardingsphere] codecov-commenter commented on pull request #10260: Refactor ChannelThreadExecutorGroup to ConnectionThreadExecutorGroup
Posted by GitBox <gi...@apache.org>.
codecov-commenter commented on pull request #10260:
URL: https://github.com/apache/shardingsphere/pull/10260#issuecomment-835290626
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